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// Portions Copyright [2016-2018] [Payara Foundation and/or its affiliates]
package com.sun.web.security.realmadapter;

import java.io.IOException;
import java.security.Principal;

import org.apache.catalina.Authenticator;
import org.apache.catalina.Container;
import org.apache.catalina.HttpRequest;
import org.apache.catalina.HttpResponse;
import org.apache.catalina.LifecycleException;
import org.apache.catalina.authenticator.AuthenticatorBase;
import org.apache.catalina.deploy.LoginConfig;

public class AuthenticatorProxy extends AuthenticatorBase {

   public static final String PROXY_AUTH_TYPE = "PLUGGABLE_PROVIDER";

    private AuthenticatorBase authBase;
    private Principal principal;
    private String authType;

    public AuthenticatorProxy(Authenticator authenticator, Principal principal, String authType) throws LifecycleException {
        this.authBase = (AuthenticatorBase) authenticator;
        this.principal = principal;
        this.authType = authType == null ? PROXY_AUTH_TYPE : authType;

        setCache(authBase.getCache());
        setContainer(authBase.getContainer());
        start(); // finds sso valve and sets its value in proxy
    }

    @Override
    public boolean authenticate(HttpRequest request, HttpResponse response, LoginConfig config) throws IOException {
        if (cache) {
            getSession(request, true);
        }

        register(request, response, this.principal, this.authType, this.principal.getName(), null);
        return true;
    }

    @Override
    public String getAuthMethod() {
        return authType;
    }

    @Override
    public boolean getCache() {
        return authBase.getCache();
    }

    @Override
    public Container getContainer() {
        return authBase.getContainer();
    }
}